From: Alexander Duyck <alexander.h.duyck@intel.com>
Date: Fri, 27 Jan 2012 06:22:53 +0000 (+0000)
Subject: skbuff: Move rxhash and vlan_tci to consolidate holes in sk_buff
X-Git-Tag: upstream/snapshot3+hdmi~7954^2~333^2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4031ae6edb92f7e0aade76357813211ae0520a5c;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

skbuff: Move rxhash and vlan_tci to consolidate holes in sk_buff

This change helps to reduce the overall size of the sk_buff by moving
rxhash and vlan_tci so that the u16 values and u8 bitfields can be better
combined to create only one hole instead of multiple.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
---

diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 50db9b0..2b7317f 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -438,6 +438,11 @@ struct sk_buff {
 #endif
 
 	int			skb_iif;
+
+	__u32			rxhash;
+
+	__u16			vlan_tci;
+
 #ifdef CONFIG_NET_SCHED
 	__u16			tc_index;	/* traffic control index */
 #ifdef CONFIG_NET_CLS_ACT
@@ -445,8 +450,6 @@ struct sk_buff {
 #endif
 #endif
 
-	__u32			rxhash;
-
 	__u16			queue_mapping;
 	kmemcheck_bitfield_begin(flags2);
 #ifdef CONFIG_IPV6_NDISC_NODETYPE
@@ -470,8 +473,6 @@ struct sk_buff {
 		__u32		dropcount;
 	};
 
-	__u16			vlan_tci;
-
 	sk_buff_data_t		transport_header;
 	sk_buff_data_t		network_header;
 	sk_buff_data_t		mac_header;